Sofa



FIG. 1 is a front, right perspective view of a sofa showing my new design;

FIG. 2 is a rear, left perspective view of the embodiment of FIG. 1;

FIG. 3 is a front elevation view of the embodiment of FIG. 1;

FIG. 4 is a left, side elevation view of the embodiment of FIG. 1, with the right side elevational view being a mirror image thereof;

FIG. 5 is a rear elevation view of the embodiment of FIG. 1;

FIG. 6 is a front elevation view of a second embodiment of the sofa depicted in FIG. 1; and,

FIG. 7 is a rear elevation view of the embodiment of FIG. 6.

The broken line disclosure is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a sofa, as shown and described. 